# How to calculate current of a resistor inside of another parallel resistor?

• pugfug90

#### pugfug90

How to calculate current of a resistor "inside" of another parallel resistor?

The 1st image is how he drew it for us, no text.. I guess because it's quite complicated.
1. Equivalent resistance of R3 and R4=5 ohms
2. combined resistance of R6 and R7=9 ohms
3. combined resistance of R9 and R10? =9 ohms
4. equivalent resistance from D to E? 3 ohms
5. Equivalent resistance from B to E?
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this one was kind of tricky.. but I think I got it right.. 5 ohms? I calculated the equivalent resistances of R(3,4) and R(6,7,8,9,10), added it to R5.. Now, R(3-10) acts parallel to R2... blah blah, 5 ohms for R(2-10).
6. total resistance? 5 ohms of the parallels and 2 and 1 makes 8.
7. total current? 3A
8. Potential drop occurs across R1? 6V
9. Drop in potential from B to E? 15V
10. Current in R2? 1.5A
11
Current in R5? How come I got R2 but not R5?
"9. Drop in potential from B to E? 15V"
Vt in parallel is equal to "everything", by everything, meaning "one and one".. or something.. So yeah, I'm positive that V2 is 15V.. and V(3-10) is 15V.. But how do I find the V5 to find out the I5.. Thanks..
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Also just figured that I(3-10)=1.5A..
"\$ 1 5.0E-6 10.391409633455755 50 5.0 43
w 64 368 64 208 0
v 64 208 64 176 0 0 40.0 24.0 0.0
w 64 176 64 96 0
w 64 96 144 96 0
r 144 96 176 96 0 2.0
w 176 96 272 96 0
w 272 96 272 192 0
r 272 192 272 240 0 10.0
w 272 240 272 368 0
w 272 368 208 368 0
r 208 368 176 368 0 1.0
w 176 368 64 368 0
w 272 96 480 96 0
w 480 96 480 112 0
w 480 112 416 112 0
w 480 112 544 112 0
r 544 112 544 144 0 10.0
r 416 112 416 144 0 10.0
w 416 144 480 144 0
r 480 144 480 176 0 2.0
w 544 144 480 144 0
w 480 176 544 176 0
w 480 176 416 176 0
r 416 176 416 192 0 7.0
r 544 176 544 192 0 6.0
w 416 192 416 208 0
w 544 192 544 208 0
r 416 208 416 224 0 2.0
r 544 208 544 224 0 3.0
w 416 224 480 224 0
w 480 224 480 208 0
r 480 208 480 192 0 9.0
w 480 176 480 192 0
w 544 224 480 224 0
w 480 224 480 368 0
w 480 368 272 368 0"
This has confirmed my other answers.. still want to know number 11 and past, how to do them.

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